How Earnest Haeckel defined ecology?

What is ecological hierarchy?

Sequentially arrange the different units of ecological hierarchy.

Define
(a) Autecology
(b) Synecology

What is Niche?

What are ecological factors?

Name the climatic factors that affect plant life.

Name any four physiological processes in plants, where the light plays a crucial role.

Heliophytes differ from Sciophytes. How?

Based on temperature prevalence, Raunkiaer classified world's vegetation into four types. Name them.

Distinguish between evergreen forests and sclerophyllous forests.

What does the term 'Timber line' refers to?

Compare Euryhaline organisms with stenohaline organisms.

Write the composition of gases in atmosphere

What is Albedo effect?